Displacement Sensors | McMaster-Carr

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1,177 Products

Electrical Power, Networking, and Controlling

Linear Motion Position-Measuring Transmitters

Measure the position of an object moving in a straight line; also known as string pots

10 products

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

6 products

IO Link Programmers

Configure your IO Link devices without a PC, outlet, or separate software

1 product

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

2 products

Proximity Sensors

Detect the presence or position of objects from a short sensing distance

394 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

263 products

Cylinder Position Sensors

Monitor your air cylinder rod's position and turn the cylinder on and off

8 products

Photoelectric Sensor Reflectors

Pair with reflector photoelectric sensors to bounce light back at them

38 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

2 products

Ultrasonic Sensors

Measure the distance to objects and the level of liquids and materials

20 products

Safety Relays

Monitor circuits and force machines to a safe stop if the relay detects a fault

4 products

Rotary Encoders

Track the distance, direction, and speed of travel of motor shafts, conveyors, and wheels

34 products

Measuring and Inspecting

Vibration Meters

Spot-check vibration to gauge the health of your machine

3 products

Signal Output Testers

Check if the signal output of a DC switch is NPN or PNP to know how to wire components

1 product

Fluid Handling

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

29 products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

29 products

Building and Machinery Hardware

Brackets

Connect surfaces in an assembly

64 products

Positioning Arms

Mount and position tools and other small equipment

23 products

Material Handling

Conveyor Accessory Mounts

Position guides or sensors to the exact spot needed for your conveyor

54 products

Facility and Grounds Maintenance

Mirrors

View your reflection or deflect beams from safety barrier switches for a perimeter around machinery

10 products

Lighting

Light Switch Sensors

Automatically turn lights on and off when you enter and exit rooms

48 products

Light Switches

Manually turn lights on and off

2 products

Light Switch Sensor Controllers

Turn lights on and off or dim them in unison from a secure Bluetooth network

9 products

Light Switch Sensor Guards

Protect light switch sensors from damage and vandalism

5 products